127776275264 has 28 divisors (see below), whose sum is σ = 276606597408. Its totient is φ = 58080124800.

The previous prime is 127776275251. The next prime is 127776275273. The reversal of 127776275264 is 462572677721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90749492 + ... + 90750899.

Almost surely, 2^127776275264 is an apocalyptic number.

It is an amenable number.

127776275264 is an abundant number, since it is smaller than the sum of its proper divisors (148830322144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127776275264 is a wasteful number, since it uses less digits than its factorization.

127776275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181500414 (or 181500404 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 56.

The spelling of 127776275264 in words is "one hundred twenty-seven billion, seven hundred seventy-six million, two hundred seventy-five thousand, two hundred sixty-four".